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Comment: Warranty till 12/14 - FAST Amazon Shipping - Mint condition lens with flawless glass and operates perfectly. Includes original box, Pentax hood and both Pentax lens caps. SDM motor replaced with newer more reliable motor that will last longer, focus faster and sharper than the original. Pentax service papers will be included with 6-month warranty on the SDM.
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  • Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras
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Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras

by Pentax
| 3 answered questions

List Price: $1,299.95
Price: $967.70 & FREE Shipping. Details
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16 new 9 used from $600.00

Frequently Bought Together

Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras + Pentax K-5 IIs 16.3 MP DSLR Body Only (Black)
Price for both: $1,648.65

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Technical Details

  • Brand Name: Pentax
  • Model: B000NO5QV6
  • Lens Type: Wide Angle
  • Minimum focal length: 16 millimeters
  • Maximum focal length: 50 millimeters
  See more technical details

Read about our customers' top-rated lenses and cameras on our review pages: Lenses, Digital SLR Cameras, Compact System Cameras

Product Details

  • Product Dimensions: 3.9 x 3.3 x 3.3 inches ; 1.2 pounds
  • Shipping Weight: 2 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B000NO5QV6
  • Item model number: B000NO5QV6
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (48 customer reviews)
  • Date first available at Amazon.com: June 17, 2003

Product Description

Amazon.com

Designed for exclusive use with Pentax digital SLR cameras, the Pentax DA* 16-50mm f/2.8 wide-angle zoom lens is a terrific choice for landscapes, portraiture, and just about any other application. The lens features a tightly sealed, weather-resistant and dust-resistant construction to enhance durability in rainy or dusty conditions. The lens's three aspherical elements and two special optical glass elements, meanwhile, help compensate for chromatic and spherical aberration, producing images with superior contrast, clarity, and edge-to-edge sharpness. And thanks to the lens's Pentax-original Quick-Shift Focus System, you can easily and instantly switch from autofocus to manual focus.

Specifications

  • Focal length: 16-50mm
  • Maximum aperture: f/2.8
  • Minimum aperture: f/22
  • Lens construction: 15 elements in 12 groups
  • Angle of view: 83 to 31.5 degrees (when used with Pentax digital SLR camera body)
  • Number of diaphragm blades: 9
  • Metering system: TTL open-aperture metering
  • Minimum focusing distance: 0.3 meters
  • Maximum magnification: 0.21x
  • Filter size: 77mm
  • Corresponding AF mounts: Pentax KAF2
  • Dimensions: 3.3 inches in diameter and 3.9 inches long
  • Weight: 19.9 ounces (without hood)
  • Warranty: 1 year

Product Description

Pentax smc DA * 16-50mm F2.8 ED/AL (IF) SDM

Customer Questions & Answers

Customer Reviews

The focusing is both fast and smooth.
Hiram Grant
This lens has had a very big quality control problem that you can read about all over the net.
A. Arena
Yes they are expensive, but they are worth the money.
H. Y. Nguyen

Most Helpful Customer Reviews

81 of 84 people found the following review helpful By Hiram Grant on November 25, 2007
If you've read my previous reviews, you know that I'm a retail camera salesperson. I get to use a wide variety of equipment, but I'm a bit picky on what I buy myself. I own this lens.

I couldn't be more pleased with this lens for my K10D. The images are crisp at all focal lengths and apertures. The focusing is both fast and smooth. (Note: it will require updating to firmware version 1.3 for the K10D to autofocus properly.) Build quality is top-notch, and the weather-proofing is nice, although I doubt I'll test that often.

Pentax has also equiped this lens with the older drive system, so that it can be used on older digital cameras, but the noise level goes up, and the AF performance, while decent, goes down.

This is an amazingly good deal compared to either the Canon or Nikon lenses in the same range. The Nikon has about the same build quality, but costs considerably more. The Canon has the IS system built into the lens (not necessary with Pentax); therefore, it costs about the same as the Nikon. A very good lens, it still doesn't have the build quality "feel" of the Pentax nor Nikon. Additionally, the 16mm makes the Pentax a bit wider, a big advantage for my type of shooting.

Simply put, without this lens, I'd be shooting Nikon.
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38 of 41 people found the following review helpful By Bruno P. on March 30, 2009
*****2012 Update: Used it on a K7 for over 2 years now. Still the best zoom lens ever, would buy it again in a heartbeat. On par with the Nikon 17-55mm 2.8 (which is ancient, double the weight and twice the the price). Way to go Pentax!

For Pentax K20D users:
(Older model owners: upgrade already, you're missing all the fun, what are you waiting for? ;-)

I reviewed tons of sites before purchasing this lens. Here the lowdown after some extensive K20D (real world studio with people, not charts) testing:

-"Famous Urban Internet legend" QA issues: Are done and over with. Blast from the (2008) past. All current lenses in stock do not have any issues anymore (in case you heard).

-Sharpness/Focus: Much, much better then lower grade zooms, especially if you stop down an f-stop or two (which you really should anyhow). It really shows all the (detailed) glory of your sensor. Do not settle for a third party lens (Sigma, Tamron, etc.) if you can have the real thing.

-AF: Way more accurate then kit/consumer lenses. Dead-on 95% of the time (versus non * lenses: More like 50%-70%). And in case you're comparing: Yes, it's better than the 17-70mm Pentax.

-A real bargain compared to Nikon/Canon glass: You would have to pay over a grand for the same quality.

-Bottom line: The best Pentax glass you can get other than the (new digital) * primes. Even there, I think you would have a hard time to see a difference.

And yes, I do this for a living (shooting, not reviewing, that is).
I'm just flabbergasted how professional Pentax has become: The Nikon D300 with any glass shoots like a Coolpix in comparison (yes, I own an entire Nikon outfit).
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27 of 28 people found the following review helpful By Dan_A on January 4, 2008
Verified Purchase
The built quality is exceptional. sharp, smooth and fast AF. Be sure to update your k10D firmware to v 1.3 before using this lens, so you wont be like me at first scratching my head wondering why a lens this expensive is noisy and vibrates. The lens is made in vietnam-nothing wrong with that, for some reason I was under the impression it was made in Japan.
7/16/11 Update
This lens did not last, been repaired/replaced twice already because it quit autofocusing. Used it from k10 to K5. Changed my star rating from 4 to 2
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19 of 20 people found the following review helpful By TOKUSHI on March 27, 2008
Best walk around lens to own. With a K10D, you can have a weather proof combo for around $1,350. Where else can you find this kind of deal? If you add on a DA 50~135 with them, you can have an award winning camera with lenses range from 16~135 f2.8 for $2,100.

Both of these lenses have EXCELLENT SHARPNESS and BOKEH. DA 50~135 has "cleaner" picture though.

These are my 2 favorite lenses now. period.

If you want to buy something that is worth every penny, the combo I have listed above will do!!!
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11 of 12 people found the following review helpful By V. Waldron on March 25, 2009
The Pentax DA* 16-50mm is a lens that I have wanted for sometimes, but have avoided getting because of numerous comments about Quality Control issues in its manufacture. Finally, I could resist no longer and purchased the lens.

It is a solidly built lens. While it is nearly the same weight as its big brother, the DA* 50-135, it handles a lot better due to being much shorter. The zoom action is very smooth and the auto focus is quite rapid.

From a photo stand point, the lens seems quite sharp. Biggest issues are at 16mm, where borders are weak (before f4) and distortion is pretty significant. You can fix a lot of this stuff in Lightroom with a single click, so that does help. Truthfully, most of the time I am shooting at 16mm, I am stopped down to f5.6 to f8, where this lens is quite sharp, edge to edge.

The other thing, that the 16-50 does too well, is flare. It is awfully easy to get quite a bit of veiling flare in photos, although if you can avoid that, the lens can produce nice diffraction stars.

The most amazing thing about this lens is the contrast and color rendition. I feel as though this lens is able to render scenes in ways that make them 'pop,' even when there isn't anything particularly special about the scene. If you don't need f2.8, then probably go for the 16-45 f4.0; otherwise I highly recommend this lens. If landscape is your thing, you may consider the Pentax SMC 15mm f/4.0 DA ED AL Limited Wide Angle Lens for Pentax Digital SLR Camerasit is about a quarter the size, much more resistant to flare, and has less distortion. Of course, it would be awfully hard to replace a normal zoom with a wide angle prime...
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